Measures of Variability / Summarizing Numerical Data Quizizz

What is the range of this data set?

4, 8, 32, 9, 5, 5, 16, 30, 25, 29

• 4

• 29

• 28

• 32

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

The range of a distribution is the total length of the interval covered by the distribution.

• Yes, that is always true

• No, that is never true

• Well, it's sometimes true

• Well, it's sometimes false

Tags

CCSS.4.MD.B.4

Range = maximum value plus minimum value

• True

• False

Answer explanation

The range = the maximum value MINUS the minimum value.

Tags

CCSS.4.MD.B.4

With MAD (Mean Absolute Deviation), we are looking for the average distance of data values from the mean of the distribution.

• True

• False

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

What is the mean absolute deviation of this data set?

12, 19, 10, 18, 21

• 4

• 5

• 8

• 10

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

What is the mean absolute deviation of this data set?

8, 5, 2, 9

• 10

• 5

• 3.5

• 2.5

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

With interquartile ranges, there are 18,000 sections or quartiles.

• True

• False

Answer explanation

It's false. There are 4 quartiles.

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.4

CCSS.6.SP.B.5

The interquartile range (IQR) is the distance between the first and third quartiles.

• True

• False

Tags

CCSS.7.EE.B.3

What is the interquartile range (IQR) of this data set?

8, 2, 4, 5, 6, 2, 4, 2, 6, 3, 1

Answer explanation

The answer is found by subtracting the lower quartile (Q1) from the upper quartile (Q3), so it's 6-2=4. So the IQR of this data set is 4.

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Let's turn our attention to box plots, or box and whisker plots as they are sometimes called. Use the following data set to determine the minimum and maximum values, the median, and the first and third quartiles.

42, 58, 67, 55, 40, 69, 66, 51, 46, 48, 68

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.4

CCSS.6.SP.B.5